56458666 has 16 divisors (see below), whose sum is σ = 97822080. Its totient is φ = 24153280.

The previous prime is 56458637. The next prime is 56458667. The reversal of 56458666 is 66685465.

It is not an unprimeable number, because it can be changed into a prime (56458667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75106 + ... + 75853.

It is an arithmetic number, because the mean of its divisors is an integer number (6113880).

Almost surely, 2^56458666 is an apocalyptic number.

56458666 is a deficient number, since it is larger than the sum of its proper divisors (41363414).

56458666 is a wasteful number, since it uses less digits than its factorization.

56458666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150989.

The product of its digits is 1036800, while the sum is 46.

The square root of 56458666 is about 7513.8981893555. The cubic root of 56458666 is about 383.6279173953.

The spelling of 56458666 in words is "fifty-six million, four hundred fifty-eight thousand, six hundred sixty-six".